public bool AddSongToPlaylist(AddSongToPlaylistRequest playlist)
        {
            PlaylistSong play = new PlaylistSong();

            play.PlaylistId = playlist.PlaylistId;
            play.SongId     = playlist.SongId;
            db.PlaylistSong.Add(play);
            db.SaveChanges();
            return(true);
        }
 public IActionResult AddSongsToPlaylist(AddSongToPlaylistRequest play)
 {
     return(Ok(repository.AddSongToPlaylist(play)));
 }